package com.example.test_20211206_hashmap;

import org.junit.Test;

import java.util.HashMap;

/**
 * @program: demo
 * @description: hashMap测试
 * @author: liulei
 * @create: 2021-12-06 16:08
 **/
public class HashMapTest {

    @Test
    public void testHash(){

        HashMap<String,String> hashMap = new HashMap<>(10);
        hashMap.put("AAA","aaa");
        hashMap.put("BBB","BBB");
    }
}
